public Tuple <Account_Info, Account_Type> findOneWithType(String id)
        {
            String query = String.Format(
                @"select  ai.ID as InfoID, ai.First_Name, ai.Last_Name, ai.Birthday, ai.""Address"", ai.Phone, ai.Note, ai.""Image"", 
""at"".ID as 'TypeID', ""at"".""Name"" as 'TypeName'
from dbo.Account a, dbo.Account_Info ai, dbo.Account_Type ""at""
where a.Info = ai.ID and a.""Type"" = ""at"".ID and a.Username = N'{0}'", id);
            var data = DataProvider.getController().ExecuteQuery(query);

            if (data.Rows.Count > 0)
            {
                var          data_row     = data.Rows[0];
                Account_Info account_Info = new Account_Info();
                Account_Type account_Type = new Account_Type();
                account_Info.ID         = (int)data_row.ItemArray[0];
                account_Info.First_Name = data_row.ItemArray[1].ToString();
                account_Info.Last_Name  = data_row.ItemArray[2].ToString();
                account_Info.Birthday   = (DateTime)data_row.ItemArray[3];
                account_Info.Address    = data_row.ItemArray[4].ToString();
                account_Info.Phone      = data_row.ItemArray[5].ToString();
                account_Info.Note       = data_row.ItemArray[6].ToString();
                Bitmap bmp;
                Console.WriteLine(data_row.ItemArray[7].GetType());
                var check = data_row.ItemArray[7].ToString();
                if (check != "")
                {
                    account_Info.Image = HelperUtils.ObjToImg(data_row.ItemArray[7]);
                }

                account_Type.ID = int.Parse(data_row.ItemArray[8].ToString());

                account_Type.Name = data_row.ItemArray[9].ToString();
                return(new Tuple <Account_Info, Account_Type>(account_Info, account_Type));
            }
            return(null);
        }